joyent-portal/bin/setup.sh
2016-10-14 11:57:26 +01:00

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#! /usr/bin/env bash
# setup.sh - Checks that all the required tools are present and that they are
# appropriately configured for deploying to Triton.
#
# Adapted from https://github.com/autopilotpattern/mysql/blob/master/setup.sh
#
#
# Prelude
#
set -euo pipefail
IFS=$'\n\t'
#
# Utilities
#
die() {
local msg="$@"
[[ -z "${msg}" ]] || {
echo
tput setaf 1 # red
tput bold
echo "${msg}"
tput sgr0 # reset
}
exit 1
}
#
# Check functions
#
ensure_command() {
local cmd="$1"
command -v "${cmd}" > /dev/null 2>&1 || {
die "Couldn't find required command: ${cmd}"
}
}
ensure_docker_config_matches_triton_config_and_capture_triton_details() {
local docker_user=$(docker info 2>&1 | awk -F": " '/SDCAccount:/{print $2}')
local docker_dc=$(echo $DOCKER_HOST | awk -F"/" '{print $3}' | awk -F'.' '{print $1}')
TRITON_USER=$(triton profile get | awk -F": " '/account:/{print $2}')
TRITON_DC=$(triton profile get | awk -F"/" '/url:/{print $3}' | awk -F'.' '{print $1}')
TRITON_ACCOUNT=$(triton account get | awk -F": " '/id:/{print $2}')
if [[ ! "$docker_user" = "$TRITON_USER" ]] || [[ ! "$docker_dc" = "$TRITON_DC" ]]; then
echo "Docker user: ${docker_user}"
echo "Triton user: ${TRITON_USER}"
echo "Docker data center: ${docker_dc}"
echo "Triton data center: ${TRITON_DC}"
die "Your Triton configuration does not match your Docker configuration."
fi
}
ensure_triton_cns_is_enabled() {
local triton_cns_enabled=$(triton account get | awk -F": " '/cns/{print $2}')
[[ "$triton_cns_enabled" == "true" ]] || {
die "Triton CNS is required and not enabled."
}
}
write_env_file() {
[[ -f .env ]] || {
echo '# Consul discovery via Triton CNS' >> .env
echo CONSUL=consul.svc.${TRITON_ACCOUNT}.${TRITON_DC}.cns.joyent.com >> .env
echo MONGO_URL=mongodb://mongo.svc.${TRITON_ACCOUNT}.${TRITON_DC}.cns.joyent.com:27017/rocketchat >> .env
echo ROOT_URL=http://rocketchat.svc.${TRITON_ACCOUNT}.${TRITON_DC}.cns.joyent.com:3000/ >> .env
echo >> .env
}
}
ensure_prerequisites() {
ensure_command docker
ensure_command docker-compose
ensure_command triton
}
#
# Main
#
ensure_prerequisites
ensure_docker_config_matches_triton_config_and_capture_triton_details
ensure_triton_cns_is_enabled
write_env_file